Point of information: there exist both "combined" and progesterone-only contraceptives, which may be chosen depending on how the user experiences side effects.
I don't know about estrogen but I am really surprised that 98% usage are from males. Anecdotally I see an increase usage of steroids in women. The fat burning is incredible.
Because Testosterone is a bad choice for women if they want to use PEDs, Anavar is a much better option, and Clen is often used for fat burning (although Anavar on its own is really decent for that as well).
A PDF that I found earlier and then bloomin' lost because I was accidentally in a private browsing window while testing an app logged out... This one I think.